The diagram shows the carbon cycle - Leaving Cert Biology - Question 1. - 2010
Question 1.
The diagram shows the carbon cycle.
Name the processes A, B, C, and D.
A. _______________________
B. _______________________
C. _______________________
D. _____... show full transcript
Worked Solution & Example Answer:The diagram shows the carbon cycle - Leaving Cert Biology - Question 1. - 2010
Step 1
A. Name the process A.
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Answer
The process A is respiration. This biological process involves the breakdown of glucose in the presence of oxygen to release energy. The overall equation can be represented as:
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The process B is photosynthesis. In this process, plants convert carbon dioxide and sunlight into glucose and oxygen, which can be summarized by the equation:
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The process C is consumption (eating). This involves organisms consuming plants or other animals for energy and nutrients.
Step 4
D. Name the process D.
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The process D is combustion (burning). This is the process of burning fossil fuels or other organic material, which releases carbon back into the atmosphere as carbon dioxide.
Step 5
(b) Name the substances labelled X.
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Answer
The substances labelled X are fossil fuels or examples such as coal, oil, or natural gas.
Step 6
(c) Why are elements recycled in nature?
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Elements are recycled in nature to maintain equilibrium within ecosystems. This recycling allows nutrients to be reused, ensuring that ecosystems can sustain life over time. Additionally, it prevents the depletion of essential resources.
Step 7
(d) Name one group of organisms responsible for process 1 in the diagram.
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One group of organisms responsible for process 1 (respiration) in the diagram includes bacteria or fungi. These microorganisms play a vital role in breaking down organic matter.
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